There are many reasons behind why people experience loss of hair.
Most commonly it is caused by exposure of the hair or scalp to burns, x-rays, scalp injury, and certain chemicals (including those used to purify swimming pools, and to bleach, dye, and perm hair).
Normal hair growth usually returns once the cause is eliminated.
Dietary mineral deficiencies have also been implicated in hair loss, particularly deficiency of zinc, selenium, silica and copper and iron deficiency.
The oral contraceptive pill, thyroid imbalances, liver toxicity, hormonal disorders and nervous system stress may also be a contributing…